package com.lennon.desinge.interpreter;

public class Variable extends Expression {

	private String name;

	public Variable(String name) {
		this.name = name;
	}

	@Override
	public boolean equals(Object obj) {

		if (obj != null && obj instanceof Variable) {
			return this.name.equals(((Variable) obj).name);
		}
		return false;
	}

	@Override
	public int hashCode() {
		return this.toString().hashCode();
	}

	@Override
	public String toString() {
		return name;
	}

	@Override
	public boolean interpret(Context ctx) {
		return ctx.lookup(this);
	}

}
